#include    <stdio.h>
#include<sys/types.h>
#include<unistd.h>
int main()
{
    int ret_from_fork, mypid;
    mypid = getpid();              
    printf("Before: my pid is %d\n", mypid);
    ret_from_fork = fork();
    sleep(1);
    printf("After: my pid is %d, fork() said %d\n",
            getpid(), ret_from_fork);

    return 0;
}
